[1]王春胜,赵志刚,吴龙敦,等. 修枝高度对西南桦拟木蠹蛾为害的影响[J].西北林学院学报,2012,27(06):120-123.
 WANG Chun-sheng,ZHAO Zhi-gang,WU Long-dun,et al. Effects of Pruning Height on Trunk Borer (Arbela spp.) Damage to Betula alnoides[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2012,27(06):120-123.
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 修枝高度对西南桦拟木蠹蛾为害的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第27卷
期数:
2012年06期
页码:
120-123
栏目:
出版日期:
2012-11-30

文章信息/Info

Title:
 Effects of Pruning Height on Trunk Borer (Arbela spp.) Damage to Betula alnoides
文章编号:
1001-7461(2012)06-0120-04
作者:
 王春胜赵志刚吴龙敦郭俊杰林天龙沙二曾杰
 (1.中国林业科学研究院 热带林业研究所,广东 广州 510520; 2.百色市老山林场,广西 田林 533300)
Author(s):
 WANG Chun-sheng ZHAO Zhi-gang WU Long-dun GUO Jun-jie LIN Tian-long SHA Er ZENG Jie
 (1.Research Institute of Tropical Forestry, CAF, Guangzhou, Guangdong 510520, China; 2. Laoshan Forest Farm of Baise City, Tianlin, Guangxi 533300, China)
关键词:
 西南桦修枝高度拟木蠹蛾
Keywords:
 Betula alnoides pruning height Arbela spp.
分类号:
S763.38
文献标志码:
A
摘要:
 以广西百色5 年生西南桦人工幼林为研究对象,设置系列修枝高度开展西南桦修枝试验,调查修枝前以及修枝后3年内西南桦林分的拟木蠹蛾 (Arbela spp.) 为害状况,揭示修枝高度对拟木蠹蛾为害的影响。结果表明:修枝前以及修枝后3年内不同处理间西南桦林分总体感虫株率和受害单株虫口数无显著差异 (p>0.05),但修枝后修枝段的感虫率和虫口数均低于对照 (未修枝) 相应区段,其中6 m和7 m修枝高度处理中修枝段感虫率与对照组相应区段差异均达显著水平(p<0.05);而且使拟木蠹蛾在树干上的集中分布段提升1.5 m以上;说明合理修枝能够显著减轻修枝段的拟木蠹蛾危害,从而提高修枝段的木材质量,为西南桦优质大径材培育提供依据。

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